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bcachefs: show none if label is not set

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If label is not set, the Label tag in superblock info show '(none)'.

```
[Before]
Device index:                               0
Label:
Version:                                    1.4: member_seq

[After]
Device index:                               0
Label:                                      (none)
Version:                                    1.4: member_seq
```

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Hongbo Li 2024-07-12 15:09:25 +08:00 committed by Kent Overstreet
parent 7b6dda7282
commit 114f530e1e
1 changed files with 4 additions and 1 deletions
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5
fs/bcachefs/super-io.c
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@ -1312,7 +1312,10 @@ void bch2_sb_to_text(struct printbuf *out, struct bch_sb *sb,
prt_printf(out, "Device index:\t%u\n", sb->dev_idx);
prt_printf(out, "Label:\t");
prt_printf(out, "%.*s", (int) sizeof(sb->label), sb->label);
if (!strlen(sb->label))
prt_printf(out, "(none)");
else
prt_printf(out, "%.*s", (int) sizeof(sb->label), sb->label);
prt_newline(out);
prt_printf(out, "Version:\t");